Grateful to receive the ACM CCS Top Reviewers Award. On different program committees and reviewing dozens of papers every year is a voluntary effort driven purely by passion for research. It’s heartening to see that dedication acknowledged. @sydneycompsci.bsky.social

It was a great pleasure to host Prof. Bart Preneel (KU Leuven) and to see his talk on “Post-Quantum Cryptography: The Road Ahead” so well received. @sydneycompsci.bsky.social

A great pleasure to meet with leaders from Vietnam’s Ministry of Agriculture and Environment and the Australian Centre for International Agricultural Research. Our discussion highlighted the promising potential of blockchain in enabling trustworthy digital agriculture. @sydneycompsci.bsky.social

I’m delighted to receive the IEEE Technical Achievement Award, recognising my contributions to blockchain technology. A special thanks to IEEE TEMS TC on Blockchain and DLT, and NTU Centre in Computational Technologies for Finance, for this recognition. @sydney.edu.au @sydneycompsci.bsky.social

📢 We are hiring! The School of #ComputerScience of #USyd 🇦🇺 is seeking outstanding women academics, at all seniority levels, for continuing (equivalent tenure system) positions. Deadline to apply: ⏰ August 25 #AcademicJobs #WomenInCS usyd.wd105.myworkdayjobs.com/en-GB/USYD_E...

🚨🚨📣 We now have a Sydney Blockchain Centre led by @jiangshanyu.github.io . It consists of experts from our School on various topics ranging from #distributed #computing, #consensus, #formalverification, to #security and #cryptography. Check out: usyd-desci.github.io/index.html #Blockchain #USyd

Check out our Blockchain Research Centre at @sydneycompsci.bsky.social‬! usyd-desci.github.io/index.html We also launched the Decentralised Science Seminar Series, discussing cutting-edge research. We’re open to collaborations -- just drop me a message for a coffee chat -- virtual if needed.

Our CCS’25 paper introduces the concept of posterior security, enabling anonymity and message hiding for an already generated standard signature, even by someone who has no access to the signing key. Now available online: eprint.iacr.org/2025/855.pdf

Joint work with my PhD student Yuanzhe Zhang and colleague Shirui Pan (Griffith Uni), towards practical sharding in blockchains.

Joint work also with my former student Runchao Han (Babylon Lab) and colleague Ron Steinfeld (Monash Uni)

Building on our Damysus and OneShot protocols (EuroSys’22, IPDPS’24), Achilles takes a key first step toward resolving rollback issues in TEE-powered hybrid BFT systems.